Transition Emergency! : Season 4 Episode 15

A high school classmate of John's is assigned as Squad 51's new paramedic trainee. The firemen rescue a man trapped in his kitchen after a hydrogen sulfide explosion. The paramedics help treat accident victims at the hospital and tend to child at an amusement park. When an intoxicated man turns out to be a snakebite victim, Roy is hit in the eyes with cobra venom. Back at the amusement park, a heart attack victim is trapped high in the air.